Malicious PDF — malware analysis report

Static analysis result for SHA-256 69b53e719aff8f44…

MALICIOUS

PDF

43.5 KB Created: 2020-08-01 06:10:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 600bb53ebf06ebde6c89d1380c9d3beb SHA-1: 2df0bed377fc5c69d81dd9abe0eaf95d86b796a9 SHA-256: 69b53e719aff8f4402604b5ef2fd1762bd1fbaae9383d57a63e0a2abe79e88a3
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a deceptive document body mimicking a command-line interface, with the text 'Sudo apt- get install git'. It embeds numerous links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=sudo+apt-+get+install+git'. This suggests the document is designed to redirect users to malicious content, likely for phishing or to download further malware. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/pify?keyword=sudo+apt-+get+install+git In PDF document text
    • http://files.copybyvan.com/uploads/1/3/1/4/131406717/8adc7a29e24eb1b.pdfIn PDF document text
    • http://files.vermontiaai.org/uploads/1/3/2/6/132682630/4069282.pdfIn PDF document text
    • http://files.givinginitiatives.org/uploads/1/3/1/3/131382955/bofun_datiwivej.pdfIn PDF document text
    • http://files.mezfantasypublishing.com/uploads/1/3/1/8/131858661/fatumebiwokuv.pdfIn PDF document text
    • http://files.cakencrumbs.co.uk/uploads/1/3/1/4/131408027/6dbf1.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7446/2631/files/foboxeve.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6995/4456/files/12436109481.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4087/4408/files/93164806000.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7016/8986/files/fadefifijig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0378/1015/files/wotufevezaranegosap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0581/1608/files/wosefefawolefupemilupi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3176/3864/files/vawajepigan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3975/9255/files/open_sublime_from_terminal_windows.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/7786/7422/files/jonojesixetebi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/julanefiwozuxam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1732/3175/files/22111106041.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006a72.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A72 5164 bytes
SHA-256: 52f8ac08da0568a854e1000a4725707760f7dc5f51f74a21077b87868e3f2998
font_01_sfnt_off00007c1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C1B 10928 bytes
SHA-256: 455a7fabda5edc5802c8b143ea1874fa2dbc66753cdb065fe343cb5e200ab230

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